<template>
  <div class="404 w-full h-full flex items-center pt-60 flex-col">
    <div class="boxes">
      <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
      </div>
      <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
      </div>
      <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
      </div>
      <div class="box">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
      </div>
    </div>
    <div class="mt-28 text-3xl font-bold text-center text-gray-500">404</div>
    <div class="text-md text-center text-gray-500">Page Not Found</div>
    <el-button class="mt-3" @click="$router.replace('/')">返回首页</el-button>
  </div>
</template>

<script name="404" lang="ts" setup></script>

<style lang="scss" scoped>
.boxes {
  --size: 32px;
  --duration: 800ms;
  height: calc(var(--size) * 2);
  width: calc(var(--size) * 3);
  position: relative;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  margin-top: calc(var(--size) * 1.5 * -1);
  transform: rotateX(60deg) rotateZ(45deg) rotateY(0deg) translateZ(0px);
}

.boxes .box {
  width: var(--size);
  height: var(--size);
  top: 0;
  left: 0;
  position: absolute;
  transform-style: preserve-3d;
}

.boxes .box:nth-child(1) {
  transform: translate(100%, 0);
  -webkit-animation: box1 var(--duration) linear infinite;
  animation: box1 var(--duration) linear infinite;
}

.boxes .box:nth-child(2) {
  transform: translate(0, 100%);
  -webkit-animation: box2 var(--duration) linear infinite;
  animation: box2 var(--duration) linear infinite;
}

.boxes .box:nth-child(3) {
  transform: translate(100%, 100%);
  -webkit-animation: box3 var(--duration) linear infinite;
  animation: box3 var(--duration) linear infinite;
}

.boxes .box:nth-child(4) {
  transform: translate(200%, 0);
  -webkit-animation: box4 var(--duration) linear infinite;
  animation: box4 var(--duration) linear infinite;
}

.boxes .box > div {
  --background: #5c8df6;
  --top: auto;
  --right: auto;
  --bottom: auto;
  --left: auto;
  --translateZ: calc(var(--size) / 2);
  --rotateY: 0deg;
  --rotateX: 0deg;
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--background);
  top: var(--top);
  right: var(--right);
  bottom: var(--bottom);
  left: var(--left);
  transform: rotateY(var(--rotateY)) rotateX(var(--rotateX)) translateZ(var(--translateZ));
}

.boxes .box > div:nth-child(1) {
  --top: 0;
  --left: 0;
}

.boxes .box > div:nth-child(2) {
  --background: #145af2;
  --right: 0;
  --rotateY: 90deg;
}

.boxes .box > div:nth-child(3) {
  --background: #447cf5;
  --rotateX: -90deg;
}

.boxes .box > div:nth-child(4) {
  --background: #dbe3f4;
  --top: 0;
  --left: 0;
  --translateZ: calc(var(--size) * 3 * -1);
}

@-webkit-keyframes box1 {
  0%,
  50% {
    transform: translate(100%, 0);
  }

  100% {
    transform: translate(200%, 0);
  }
}

@keyframes box1 {
  0%,
  50% {
    transform: translate(100%, 0);
  }

  100% {
    transform: translate(200%, 0);
  }
}

@-webkit-keyframes box2 {
  0% {
    transform: translate(0, 100%);
  }

  50% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(100%, 0);
  }
}

@keyframes box2 {
  0% {
    transform: translate(0, 100%);
  }

  50% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(100%, 0);
  }
}

@-webkit-keyframes box3 {
  0%,
  50% {
    transform: translate(100%, 100%);
  }

  100% {
    transform: translate(0, 100%);
  }
}

@keyframes box3 {
  0%,
  50% {
    transform: translate(100%, 100%);
  }

  100% {
    transform: translate(0, 100%);
  }
}

@-webkit-keyframes box4 {
  0% {
    transform: translate(200%, 0);
  }

  50% {
    transform: translate(200%, 100%);
  }

  100% {
    transform: translate(100%, 100%);
  }
}

@keyframes box4 {
  0% {
    transform: translate(200%, 0);
  }

  50% {
    transform: translate(200%, 100%);
  }

  100% {
    transform: translate(100%, 100%);
  }
}
</style>
